检测手机翻转
代码:
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. //监听手机方向改变事件 [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged) name:UIDeviceOrientationDidChangeNotification object:nil]; } //处理函数 -(void) orientationChanged { switch ([[UIDevice currentDevice] orientation]) { case UIDeviceOrientationPortrait: NSLog(@"portrait"); break; case UIDeviceOrientationPortraitUpsideDown: NSLog(@"portraitUpSideDown"); break; case UIDeviceOrientationLandscapeLeft: NSLog(@"landscapeLeft"); break; case UIDeviceOrientationLandscapeRight: NSLog(@"landscapeRight"); break; case UIDeviceOrientationFaceDown: NSLog(@"facedown!!"); break; case UIDeviceOrientationFaceUp: NSLog(@"FaceUp"); break; default: break; } }
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